How To Fix RSDD_ZA239 - Used memory space (%)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 239

• Message text: Used memory space (%)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_ZA239 - Used memory space (%) ?

  The SAP error message RSDD_ZA239 typically indicates that the memory space used by the SAP BW (Business Warehouse) system has reached a certain threshold, which can affect performance and lead to potential issues in data processing and reporting.
  Cause:
  
  
  High Memory Usage: The error is triggered when the memory usage exceeds a predefined limit, which can be due to:
  
  Large data volumes being processed.
  Inefficient queries or reports that consume excessive memory.
  Insufficient memory allocation for the BW system.
  Background jobs or processes that are consuming a lot of memory.
  
  
  
  Configuration Issues: Incorrect configuration settings for memory management in SAP BW can lead to inefficient memory usage.
  
  
  Data Model Complexity: Complex data models with many InfoProviders, transformations, and data flows can lead to increased memory consumption.
  
  
  Solution:
  
  
  Monitor Memory Usage: Use transaction codes like ST02 (Tune Summary) and ST03N (Workload Analysis) to monitor memory usage and identify which processes are consuming the most memory.
  
  
  Optimize Queries: Review and optimize queries that are running in the system. This can include:
  
  Reducing the amount of data being retrieved.
  Using aggregates or summary tables where possible.
  Avoiding complex calculations in queries.
  
  
  
  Increase Memory Allocation: If the system consistently runs out of memory, consider increasing the memory allocation for the SAP BW system. This can be done by adjusting the instance profile parameters in the SAP system.
  
  
  Review Background Jobs: Check for any long-running or resource-intensive background jobs that may be consuming memory. Optimize or schedule them during off-peak hours.
  
  
  Data Model Optimization: Simplify the data model if possible. This can involve:
  
  Reducing the number of InfoProviders.
  Streamlining data flows and transformations.
  
  
  
  Regular Maintenance: Perform regular maintenance tasks such as data archiving and deleting unnecessary data to free up memory.
  
  
  SAP Notes and Support: Check for any relevant SAP Notes that may address specific issues related to memory management in your version of SAP BW. You can search the SAP Support Portal for updates or patches.
  
  
  Related Information:
  
  SAP BW Memory Management: Understanding how memory is managed in SAP BW can help in troubleshooting and optimizing performance.
  Transaction Codes: Familiarize yourself with transaction codes like ST02, ST03N, and RSCUSTV10 for monitoring and adjusting memory settings.
  SAP Community: Engage with the SAP Community for insights and shared experiences from other users who may have faced similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with SAP support or a technical consultant who specializes in SAP BW.